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From "Namit Jain (JIRA)" <j...@apache.org>
Subject [jira] Commented: (HIVE-955) Passing columns needed onto ColumnarStruct
Date Fri, 27 Nov 2009 06:43:39 GMT

    [ https://issues.apache.org/jira/browse/HIVE-955?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12783043#action_12783043
] 

Namit Jain commented on HIVE-955:
---------------------------------

Can you add more comments - I am not sure I understand this change

> Passing columns needed onto ColumnarStruct
> ------------------------------------------
>
>                 Key: HIVE-955
>                 URL: https://issues.apache.org/jira/browse/HIVE-955
>             Project: Hadoop Hive
>          Issue Type: Improvement
>            Reporter: He Yongqiang
>            Assignee: He Yongqiang
>         Attachments: ColumnarStruct_columnids_2009-11-25.2.patch
>
>
> This can avoid unneeded loop cycle in ColumnarStruct's init method. This can saves a
lot when the table's column number is big.

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